[PULL 15/45] target/arm: Clear tail in gvec_fmul_idx_*, gvec_fmla_idx_*

[Peter Maydell <peter.maydell@linaro.org>]

From: Richard Henderson <richard.henderson@linaro.org>

Must clear the tail for AdvSIMD when SVE is enabled.

Fixes: ca40a6e6e39
Cc: qemu-stable@nongnu.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200513163245.17915-15-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/vec_helper.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c
index 6aa2ca08271..a483841adda 100644
--- a/target/arm/vec_helper.c
+++ b/target/arm/vec_helper.c
@@ -747,6 +747,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, void *stat, uint32_t desc) \
             d[i + j] = TYPE##_mul(n[i + j], mm, stat);                     \
         }                                                                  \
     }                                                                      \
+    clear_tail(d, oprsz, simd_maxsz(desc));                                \
 }
 
 DO_MUL_IDX(gvec_fmul_idx_h, float16, H2)
@@ -771,6 +772,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, void *va,                  \
                                      mm, a[i + j], 0, stat);               \
         }                                                                  \
     }                                                                      \
+    clear_tail(d, oprsz, simd_maxsz(desc));                                \
 }
 
 DO_FMLA_IDX(gvec_fmla_idx_h, float16, H2)
-- 
2.20.1